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	Optical response of Al/Ti bilayer transition edge sensors
	Zhang QY(张青雅) ; Wang TS(王天顺) ; Liu JS(刘建设) ; Dong WH(董文慧) ; He GF(何根芳) ; Li TF(李铁夫) ; Zhou XX(周幸祥) ; Chen W(陈炜) ; Zhang Qing-Ya ; Wang Tian-Shun ; Liu Jian-She ; Dong Wen-Hui ; He Gen-Fang ; Li Tie-Fu ; Zhou Xing-Xiang ; Chen Wei
	2016-03-30 ; 2016-03-30
关键词	transition edge sensors superconducting detectors TP212
其他题名	Optical response of Al/Ti bilayer transition edge sensors
中文摘要	We report the optical response characteristics of Al/Ti bilayer transition edge sensors(TESs), which are mainly comprised of Al/Ti bilayer thermometers and suspended SiN membranes for thermal isolation. The measurement was performed in a3 He sorption refrigerator and the device's response to optical pulses was investigated using a pulsed laser source. Based on these measurements, we obtained the effective recovery time(τeff) of the devices at different biases and discussed the dependence of τeffon the bias. The device with a 940 μm× 940 μm continuous suspended SiN membrane demonstrated a fast response speed with τeff= 3.9 μs, which indicates a high temperature sensitivity(α = T/R· dR/dT =326). The results also showed that the TES exhibits good linearity under optical pulses of variable widths.; We report the optical response characteristics of Al/Ti bilayer transition edge sensors(TESs), which are mainly comprised of Al/Ti bilayer thermometers and suspended SiN membranes for thermal isolation. The measurement was performed in a3 He sorption refrigerator and the device's response to optical pulses was investigated using a pulsed laser source. Based on these measurements, we obtained the effective recovery time(τeff) of the devices at different biases and discussed the dependence of τeffon the bias. The device with a 940 μm × 940 μm continuous suspended SiN membrane demonstrated a fast response speed with τeff= 3.9 μs, which indicates a high temperature sensitivity(α = T/R· dR/dT =326). The results also showed that the TES exhibits good linearity under optical pulses of variable widths.
语种	英语 ; 英语
内容类型	期刊论文
源URL	[http://ir.lib.tsinghua.edu.cn/ir/item.do?handle=123456789/146578]
专题	清华大学
推荐引用方式 GB/T 7714	Zhang QY,Wang TS,Liu JS,et al. Optical response of Al/Ti bilayer transition edge sensors[J],2016, 2016.
APA	张青雅.,王天顺.,刘建设.,董文慧.,何根芳.,...&Chen Wei.(2016).Optical response of Al/Ti bilayer transition edge sensors..
MLA	张青雅,et al."Optical response of Al/Ti bilayer transition edge sensors".(2016).

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